#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 10;
int a[MAXN], r[MAXN];
int main()
{
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int n;
    cin >> n;
    int maxn = 0;
    for (int i = 1; i <= n; ++i)
    {
        cin >> a[i];
        r[a[i]]++;
        maxn = max(maxn, r[a[i]]);
    }
    cout << maxn << endl;
    return 0;
}
